Movie
Description
James Vega emerged from a troubled family background. His father, Joshua Sanders, drew him into crime, including a San Diego drug deal where James retrieved a package while evading police. This nearly derailed his military hopes, but his uncle Emilio Vega intervened. Emilio convinced James that his father wouldn't report him to avoid self-implication, stressing James alone controlled his future path. James subsequently enlisted in the Systems Alliance Marines at Camp Pendleton in 2176.

Assigned early to the remote colony Fehl Prime with the Alliance special forces unit Delta Squad, Vega faced a Blood Pack mercenary invasion led by the krogan Archuk. When their shuttle crashed, incapacitating Captain Toni, Lieutenant Vega assumed command. He engineered a tactical gambit, challenging Archuk to a duel as a distraction. This allowed squadmates Essex and Kamille to flank the enemy while Milque provided sniper cover. Though severely wounded, Vega survived when Milque killed Archuk. Vega later prevented Essex from executing the captured Blood Pack second, Brood, insisting on prisoner of war status. Admiral Hackett ordered Delta Squad to remain as permanent security, a decision Vega initially opposed.

Over the next two years, Vega bonded deeply with the colonists. He developed a brotherly affection for young April, often carrying her on his shoulders and encouraging her playful interest in military life alongside her mother, Christine. He also pursued romantic interest in the asari anthropologist, Treeya Nuwani, though his awkward advances earned squad teasing and met her obliviousness. When the colony detected a mysterious jamming signal, Vega led Delta Squad to an alien artifact. Against Treeya's objections, he ordered its destruction due to potential threats. This proved prescient when a Collector ship arrived, deploying seeker swarms that paralyzed most colonists, including Captain Toni, Christine, and April.

As the highest-ranking active officer, Vega again assumed command. He planned to disable the Collector ship using the colony's defense cannon, but Treeya advocated for a low-power shot to avoid harming abducted colonists. The weakened blast failed to penetrate the shields, resulting in the cannon's destruction. Retreating underground, the squad uncovered colonist Messner as a Cerberus agent who lured the Collectors for their technology. Vega discovered a potential seeker swarm antidote, covertly administering it to his team via shared drinks. After escaping capture with Brood's help, Vega led an assault on the Collector ship. Essex died battling Collectors, and Messner betrayed them, stealing Prothean data revealing the Collectors' plan to build a human-Reaper.

Facing a critical choice, Vega prioritized saving Treeya (possessing Collector intelligence) over evacuating the paralyzed colonists. This decision resulted in the colonists' deaths when the ship crashed into Fehl Prime. The aftermath left Vega wracked with guilt. Returning to the colony's ruins, he collapsed at finding April's doll, placing it alongside his medal and her badge at a memorial. Despite this trauma, Admirals Anderson and Hackett commended him on the Citadel for securing vital Collector intelligence and informed him of Commander Shepard's survival, presenting an opportunity to join the N7 program. Vega channeled his grief into renewed resolve, vowing to fight on in memory of those lost on Fehl Prime.